This activity demonstrates optical properties of water: that different constituents in water affect the transmission, absorption, and scattering of different colors in the visible light spectrum. Inexpensive, off-the-shelf components are used to...(View More) build a light sensor and source, creating a simple spectrophotometer that can measure light absorption. In the second part of this activity, principles of ocean color remote sensing are applied to measure reflectance. Using components that are clearly visible allows students to configure them in different ways. Playing with the instrument design gives students a practical understanding of spectrophotometers, in-water optics, and remote sensing. As an extension of this concept, students are encouraged to think about how ocean color is used to estimate the concentration of chlorophyll to infer phytoplankton abundance, colored dissolved organic matter, and suspended sediments.(View Less)

After reading aloud a text on life in extreme environments, students will discuss what life is and the requirements of life. Groups of students will conduct an experiment of their choosing on chia seeds to explore how extreme environments affect the...(View More) growth of the plant. After conducting their experiments, they will write and illustrate a fictional story about an imaginary life form on Mars. This lesson is from “Red Planet: Read, Write, Explore!” which uses literacy, art, and creative expression as a vehicle for learning about Mars science and exploration. Includes alignment to Common Core State Standards (CCSS) for English Language Arts.(View Less)

In this activity, students identify habitats in Arizona, define and illustrate a food web in a kinesthetic exercise, and explain the importance of biodiversity in a writing assignment. Required materials include a ball of yarn or string. The...(View More) resource includes two student worksheets, a data sheet, answer keys, and Web links. This is Lesson 1 in the unit on Biodiversity, part of IMAGERS, Interactive Media Adventures for Grade School Education using Remote Sensing. The website provides hands-on activities in the classroom supporting the science content in two interactive media books, The Adventures of Echo the Bat and Amelia the Pigeon.(View Less)

In this activity, students are introduced to the importance of maintaining biodiversity and to citizen science. The resource includes three student worksheets, a data sheet, answer keys, and Web links. This is Lesson 2 in Biodiversity, part of...(View More) IMAGERS, Interactive Media Adventures for Grade School Education using Remote Sensing. The website provides hands-on activities in the classroom supporting the science content in two interactive media books, The Adventures of Echo the Bat and Amelia the Pigeon.(View Less)

This is a lesson about the definition of life. Learners will compare real and fake or live and dead objects and brainstorm ideas about what life is; refine the definition by playing 20 Questions to identify an object or organism; and test the...(View More) definition by comparing "mystery" samples. Includes background reading for teachers, student pages, reflection questions, and blackline masters. This is activity 1 of 5 and sets the stage for subsequent activities in this educator resource guide - Astrobiology in your Classroom: Life on Earth..and Elsewhere?(View Less)

This is a lesson about organisms living under extreme conditions on Earth serving as analogs for extraterrestrial life. Learners will play a card game to create a set by matching an extremophile, an extreme habitat on Earth, and an extraterrestrial...(View More) habitat that may be similar to an Earth habitat. They will assemble a crew of extremophiles and target them to specific locations on a planet or moon. The activity concludes with a debate on the ethics of sending Earth life to other worlds. Includes background reading for teachers, student pages, reflection questions, and blackline masters. This is activity 4 in the educators guide, Astrobiology in your Classroom: Life on Earth..and Elsewhere?(View Less)

In this activity, learners will explore the question, What is the chance that we are the only life in the universe? They determine what we need to know to predict the chances of extraterrestrial life. They then make estimates of the number of worlds...(View More) in the Milky Way galaxy that have life using the Drake equation. Includes background reading for teachers, student pages, reflection questions, and blackline masters. This is activity 5 of 5 in "Astrobiology in your Classroom: Life on Earth..and Elsewhere?" and builds on the previous activities.(View Less)

This is a lesson about the requirements for life on another planet. Learners will grow organisms in one of 12 classroom environments and identify common requirements (such as water, nutrients, and energy). They will also design a mission to identify...(View More) habitable places by searching for water, nutrients, and energy. A math extension explores measuring calories. Includes background reading for teachers, student pages, reflection questions, and blackline masters. This is activity 2 of 5 in Astrobiology in your Classroom: Life on Earth..and Elsewhere?(View Less)

This is a lesson about the characteristics necessary for life. Learners will identify the top candidates for life in the solar system by examining Habitability Cards, which discuss each planet and the six large moons in terms of water temperature,...(View More) atmosphere, energy, and nutrients. A math extension is provided on the Inverse Square Law. Includes background reading for teachers, student pages, reflection questions, and blackline masters. This is activity 3 of 5 in the educators guide, Astrobiology in your Classroom: Life on Earth..and Elsewhere? Note: See Related & Supplemental Resources (right side of this page) to download a separate PDF of the Habitability Cards used in this lesson.(View Less)

Working in pairs, students will create experimental conditions in terrariums in order to study what plants need to live. Variables to study include the presence or absence of soil, water, and sunlight. Students will record the growth of radish...(View More) plants as well as observations of "the water cycle" in their terrariums. At the conclusion of their experiments, students will share their results with the class and discuss how water, Earth materials, and air are all necessary to support living things. The activities use commonly-available or inexpensive materials (e.g., chart paper, clear soda bottles, potting soil, radish seeds, paper towels, water, tape, foil, and index cards). This is the first of three sets of learning activities that are companion activities to the Elementary GLOBE children's book, All About Earth: Our World on Stage. Includes a teacher implementation guide. GLOBE (Global Learning and Observation to Benefit the Environment) is a worldwide, hands-on, K-12 school-based science education program.(View Less)